Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Fig 1: Heated Oxygen Sensor (HO2S) Electrical Connector

Courtesy of GENERAL MOTORS CORP.

CAUTION: A special anti-seize compound is used on the oxygen sensor threads. New service sensors should already have the compound applied to the threads. Coat the threads of a reused sensor with anti-seize compound P/N 5613695 or equivalent.

Install the HO2S (2) into the exhaust manifold and tighten to 42 N.m (31 lb ft).
Connect the HO2S electrical connector (1).
Install the engine cover. Refer to Engine Cover Replacement .
Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .